Size comparison · drawn to scale
Citroen C3 Aircross vs Alfa Romeo Junior I: size comparison
- Length Junior I 20 mm0.8 in longer
- Width Junior I 24 mm0.9 in wider
- Height C3 Aircross 97 mm4 in taller
- Boot Junior I 5 L0.2 cu ft more
Car 1 blue, solid outline

Car 2 coral, dashed outline
Change cars
Zoom in to read the measurements - or see the table below.
Scale about 1:21 on a desktop screen · grid 500 mm1 ft · in Overlay both cars start at the front bumper Side view: dashed lines mark the axles Front view: width without mirrors Top view: footprint on the road
Dimensions and difference
The C3 Aircross is 20 mm0.8 in shorter, 24 mm0.9 in narrower and 97 mm4 in taller than the Junior I. Its wheelbase is 54 mm2 in longer.
| Dimension | C3 Aircross | Junior I | Difference, car 1 vs car 2 |
|---|---|---|---|
| Length | 4,150 mm13 ft 7 in13 ft 7 in4,150 mm | 4,170 mm13 ft 8 in13 ft 8 in4,170 mm | −20 mm−0.8 in −0.5% |
| Width | 1,756 mm5 ft 9 in5 ft 9 in1,756 mm | 1,780 mm5 ft 10 in5 ft 10 in1,780 mm | −24 mm−0.9 in −1.3% |
| Height | 1,597 mm5 ft 3 in5 ft 3 in1,597 mm | 1,500 mm4 ft 11 in4 ft 11 in1,500 mm | +97 mm+4 in +6.5% |
| Wheelbase | 2,604 mm8 ft 7 in8 ft 7 in2,604 mm | 2,550 mm8 ft 4 in8 ft 4 in2,550 mm | +54 mm+2 in +2.1% |
| Footprint | 7.29 m²78.4 sq ft78.4 sq ft7.29 m² | 7.42 m²79.9 sq ft79.9 sq ft7.42 m² | −0.14 m²−1.5 sq ft −1.8% |
| Boot | 410 L14.5 cu ft14.5 cu ft410 L | 415 L14.7 cu ft14.7 cu ft415 L | −5 L−0.2 cu ft −1.2% |
| Kerb weight | 1,163–1,308 kg2,564–2,884 lb2,564–2,884 lb1,163–1,308 kg | Not in our catalog yet | - |
Width without mirrors. Figures come from the catalog version pages; the drawing uses the same numbers. Body outlines are generic for the body type - proportions are exact, styling is not. Weight difference compares the lightest versions.
Garage and parking
A typical single garage is about 5.5 × 3.0 m18 ft 1 in × 9 ft 10 in inside; a parking bay about 5.0 × 2.5 m16 ft 5 in × 8 ft 2 in. Room to open a door: about 600 mm2 ft each side.
C3 Aircross
- Single garage
- Fits 1,350 mm4 ft 5 in to spare in length, 622 mm2 ft 0 in each side
- Parking bay
- Tight 850 mm2 ft 9 in to spare in length, 372 mm1 ft 3 in each side
Junior I
- Single garage
- Fits 1,330 mm4 ft 4 in to spare in length, 610 mm2 ft 0 in each side
- Parking bay
- Tight 830 mm2 ft 9 in to spare in length, 360 mm1 ft 2 in each side
Frequently asked questions
Which is bigger, the Citroen C3 Aircross or the Alfa Romeo Junior I?
The Alfa Romeo Junior I is the bigger car by footprint (length × width). The C3 Aircross is 20 mm shorter, 24 mm narrower and 97 mm taller than the Junior I. Its wheelbase is 54 mm longer.
Will the Citroen C3 Aircross and the Alfa Romeo Junior I fit in a standard garage?
In a typical single garage of 5.5 × 3.0 m inside: The Citroen C3 Aircross fits with room to open the doors (1,350 mm to spare in length, 622 mm each side). The Alfa Romeo Junior I fits with room to open the doors (1,330 mm to spare in length, 610 mm each side). Widths are without mirrors; check your own garage with our garage checker.
Which has the bigger boot?
The Alfa Romeo Junior I: 415 L against 410 L in the Citroen C3 Aircross (seats up, as quoted by the maker).
Drawn to one scale
Both cars use the same millimetre grid, so a longer bonnet or a taller roof shows exactly as it is.
Wheels at the real wheelbase
Dashed lines mark the axles. In Overlay both cars start at the front bumper; car 2 has a dashed outline.
Will it fit my garage?
Switch to Top view, or to feet and inches if your garage plan is in feet. Allow about 600 mm (2 ft) for opening the doors.
